Marcus Mariota left the Titans' game against the Colts with an elbow injury late in the first half.

Turron Davenport ESPN

Marcus Mariota is on the sideline. His status is questionable. Blaine Gabbert is the QB to start the second half.

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Turron Davenport ESPN

Colts just sacked Marcus Mariota and he's down after the play. Now Blaine Gabbert is in . Mariota got up and walked off on his own power. Looks like it was something with his right arm. He's now being taken into the locker room.